Camshaft
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图 1 | g01404972 |
(2) 进气凸轮 (3) 排气凸轮 |
(1) 止推片
- 新止推片的厚度 ... 4.70 mm (0.185 in)
- 新曲轴的轴向间隙 ... 0.13 ± 0.08 mm (0.005 ± 0.003 in)
- 磨损凸轮轴的最大允许轴向间隙 ... 0.45 mm (0.018 in)
- 新曲轴的轴向间隙 ... 0.13 ± 0.08 mm (0.005 ± 0.003 in)
(A) 凸轮轴颈的直径 ... 65.126 ± 0.013 mm (2.5640 ± 0.0005 in)
(B) 凸轮轴台肩和齿轮台肩间的总距离 ... 4.83 ± 0.05 mm (0.190 ± 0.002 in)
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图 2 | g01404979 |
(C) 凸轮轴凸轮规定升程
- 排气凸轮 ... 7.707 mm (0.3034 in)
- 进气凸轮 ... 7.970 mm (0.3138 in)
请使用以下程序得出实际的凸轮升程:
- 测量凸轮轴凸轮高度 (D) 。
- 测量基圆 (E) 。
- 从步骤 2 中得到的凸轮轴凸轮高度值中减去步骤 1 中得到的基圆测量值。 二者之差即为实际凸轮升程。
步骤 3 中的实际凸轮升程和新凸轮轴的规定凸轮轴凸轮升程间的最大允许差值为 ± 0.10 mm (0.004 in)。
Caterpillar Information System:
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